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61,404
RESULTS

Media Type
44,829
texts
7,433
movies
6,859
images
2,054
audio
110
software
58
web
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Availability
60,793
Always Available
552
Available to Borrow
59
Waitlist
Year
110
2019
577
2018
590
2017
1,651
2016
652
2015
323
2014
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Topics & Subjects
38,564
Mining
38,541
EPA
38,541
Environmental Protection Agency
38,540
Pollution
38,539
Gold King Mine
38,539
Gold King Mine disaster
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Collection
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Creator
38,539
environmental protection agency
1,085
defense technical information center
333
nasa technical reports server (ntrs)
192
frederic koster
121
eric
94
harlan walters
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Language
48,567
English
100
French
86
German
76
Spanish
28
Portuguese
25
Dutch
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